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Finding the Fourth Proportional to 595,412.55, 821,653.32 and 350,411.72

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Solution

The fourth proportional to 595,412.55, 821,653.32 and 350,411.72 is: 483,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,412.55 : 821,653.32 = 350,411.72 : x
  2. Step 2: Convert to fraction form
    595,412.55/821,653.32 = 350,411.72/x
  3. Step 3: Cross multiply
    595,412.55x = 821,653.32 × 350,411.72
  4. Step 4: Simplify right side
    595,412.55x = 287,916,955,159.04
  5. Step 5: Solve for x
    x = 287,916,955,159.04/595,412.55
  6. Step 6: Final answer
    x = 483,558.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.